Process of making sulfuryl chlorid.



RUDOLE KNIETSCH AND MAXIMILIAN SCHARFF, OF LUDwIGsHAFEN-ON- THE-RHINE, GERMANY, AssIGNORs TO BADISOHE ANILIN & sODA FABRIK, OF LUDWIGSHAFEN-ON-THE-RHINE, GERMANY, A CORPORATION OF GERMANY.

PROCESS OF MAKING SULFURYL CHLORID.

SPECIFICATION formingpart of Letters Patent No. 716,248, dated December 16, 1902.

Application filed November 29, 1901. Serial No. 84,118. (No specimens.)

To all whom, it may concern: The following example will serve to further 3 5 Be it known that We, RUDOLF KNIETSCH, a illustrate the nature of our invention and the subject of the King of Prussia, German Emmanner in which the same maybe carried out peror, and MAXIMILIAN SOHARFF, a subject into practical effect; but the invention is not 5 of the King of Saxony, both doctors of phiconfined to this example.

losophy and chemists, and residing at Lud- Example: In a closed vessel dissolve some wigshafen-on-the-Rhine, in the Kingdom of camphor in liquid sulfur dioxid, and into this Bavaria, Germany, have invented new and solution introduce the calculated quantity of useful Improvements in the Manufacture of liquid chlorin in a fairly-strong jet, prefer- IO Sulfuryl Ghlorid, of which the following is a ably while cooling. The formation of sulspecification. fnryl chlorid is almostinstantaneousand can Our invention relates to improvements in be recognized by the decrease in the pressure the manufacture of sulfuryl chlorid. The which takes place. The product so obtained methods hitherto known for the preparation can be isolated and purified in any known or 15 of this body consists in passing gaseous sulfur suitable manner.

dioxid and gaseous chlorin into glacial acetic N ow what we claim is--- acid (see (Melsens Compt. Render. 76, page 1. The process for the manufacture of sul- 92) or in allowing these gases either alterfurylchloridbycausingliquidchlorinaud liqnately or in admixture with one another to uid sulfur dioxid to react on one another in 20 act on camphor. (See Schulze, Journal fitr the presence of bodies which promote their Prakt'ische Ohemie, Vol. 24, page 168.) In union. both cases, however, considerable time and 2. The process for the manufacture of sulstrict attention are necessary to obtain a satfuryl chlorid by causing liquid chlorin and liqisfactory yield of sulfuryl chlorid. We have nid sulfur dioxid to react on one another in 2 5 found that these difficulties are avoided and the presence of camphor.

the reaction caused to proceed almost instan- In testimony whereof we have hereunto set taneously and quantitatively when sulfur diour hands in the presence of two subscribing oxid and chlorin are allowed to react on one witnesses. another in the liquid condition in the pres- RUDOLF KNIETSCH,

30 once of bodies which promote their union V which can be such as promote their union MAXIMILIAN SOHARFF' when in the gaseous condition-for example, Witnesses: camphor, glacial acetic acid, and anhydrous BERNHARD O. HESSE,

- JACOB ADRIAN.

. formic acid. 

